Remove unused `ApplicationHelper#visibility_icon` helper method (#32644)

app/helpers/application_helper.rb

@@ -120,18 +120,6 @@ module ApplicationHelper
     inline_svg_tag 'check.svg'
   end
 
-  def visibility_icon(status)
-    if status.public_visibility?
-      material_symbol('globe', title: I18n.t('statuses.visibilities.public'))
-    elsif status.unlisted_visibility?
-      material_symbol('lock_open', title: I18n.t('statuses.visibilities.unlisted'))
-    elsif status.private_visibility? || status.limited_visibility?
-      material_symbol('lock', title: I18n.t('statuses.visibilities.private'))
-    elsif status.direct_visibility?
-      material_symbol('alternate_email', title: I18n.t('statuses.visibilities.direct'))
-    end
-  end
-
   def interrelationships_icon(relationships, account_id)
     if relationships.following[account_id] && relationships.followed_by[account_id]
       material_symbol('sync_alt', title: I18n.t('relationships.mutual'), class: 'active passive')

spec/helpers/application_helper_spec.rb

@@ -227,28 +227,6 @@ RSpec.describe ApplicationHelper do
     end
   end
 
-  describe 'visibility_icon' do
-    it 'returns a globe icon for a public visible status' do
-      result = helper.visibility_icon Status.new(visibility: 'public')
-      expect(result).to match(/globe/)
-    end
-
-    it 'returns an unlock icon for a unlisted visible status' do
-      result = helper.visibility_icon Status.new(visibility: 'unlisted')
-      expect(result).to match(/lock_open/)
-    end
-
-    it 'returns a lock icon for a private visible status' do
-      result = helper.visibility_icon Status.new(visibility: 'private')
-      expect(result).to match(/lock/)
-    end
-
-    it 'returns an at icon for a direct visible status' do
-      result = helper.visibility_icon Status.new(visibility: 'direct')
-      expect(result).to match(/alternate_email/)
-    end
-  end
-
   describe 'title' do
     it 'returns site title on production environment' do
       Setting.site_title = 'site title'